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Pennsylvania State Heritage Parks Program
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Delaware & Lehigh Canal National Heritage and State Heritage Park
Delaware and Lehigh Navigation Canal National Heritage Corridor Commission, Pennsylvania State Heritage Parks Program, State Heritage Parks Interagency Task Force, United States. National Park Service, Mary Means & Associates, State Heritage Parks Intreragency Task Force · Delaware & Lehigh Canal National Heritage Corridor Commission
335 sayfa · 1993
National parks and reserves